Title:
流路切換弁
Document Type and Number:
Japanese Patent JP7051101
Kind Code:
B2
Abstract:
[Problem] To provide a channel switching valve that makes it possible to enhance air circulation performance and effectively reduce the size in the height direction. [Solution] With this channel switching valve 1, a sensor support section 84 of a potentiometer base 82 is formed in a disk shape of smaller diameter than a large-diameter gear 67 that is attached to a valve stem 40. A potentiometer 85 is attached, and also disposed so as to overlap with the large-diameter gear 67. A ventilation section 70 provided to an upper wall section 54 of a gear case section 52 includes: a flat section 71 to which a ventilation hole 71a is provided; a ventilation pipe 72 that connects to the ventilation hole 71a and extends upward; and a cap-shaped filter member 73 covering the ventilation pipe 72. The ventilation hole 71a of the ventilation section 70 is arranged so as to face opposite a second worm 66 of an intermediate gear 63.
Inventors:
Daisuke Kondo
Kenichi Mochizuki
Seiichi Hara
Yamashita Shoji
Kenichi Mochizuki
Seiichi Hara
Yamashita Shoji
Application Number:
JP2018201479A
Publication Date:
April 11, 2022
Filing Date:
October 26, 2018
Export Citation:
Assignee:
Fuji Koki Co., Ltd.
International Classes:
F16K51/00; F16K27/06; F16K31/53
Domestic Patent References:
| JP2017003033A | ||||
| JP2017051027A | ||||
| JP2043575U | ||||
| JP3089280U |
Attorney, Agent or Firm:
Patent Business Corporation Opus International Patent Office